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Environmental fate & pathways

Phototransformation in air

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Description of key information

After evaporation or exposure to air, the substance will be slowly degraded by photochemical processes.

Key value for chemical safety assessment

Additional information

Based on an measured OH radical rate constant of 0.227E-12 cm³/(molecule*sec), the half-life of methyl formate in air was calculated to be 70.7 d using the equitation cited in TGD, Part II, pp50 (0.5 E06 OH/cm³, 24-h day) (Atkinson 1989).